Home / 3,729.71-5,147.26-2,468.61

Finding the Fourth Proportional to 3,729.71, 5,147.26 and 2,468.61

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Solution

The fourth proportional to 3,729.71, 5,147.26 and 2,468.61 is: 3,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.71 : 5,147.26 = 2,468.61 : x
  2. Step 2: Convert to fraction form
    3,729.71/5,147.26 = 2,468.61/x
  3. Step 3: Cross multiply
    3,729.71x = 5,147.26 × 2,468.61
  4. Step 4: Simplify right side
    3,729.71x = 12,706,571.34
  5. Step 5: Solve for x
    x = 12,706,571.34/3,729.71
  6. Step 6: Final answer
    x = 3,406.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.